2021 Acura TLX vs. 2021 Cadillac CT5
iSeeCars' unbiased and data-driven comparison of the 2021 Acura TLX and 2021 Cadillac CT5 contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the 2021 Acura TLX and the 2021 Cadillac CT5.
When we compare the 2021 Acura TLX's and the 2021 Cadillac CT5's specifications and ratings, the 2021 Acura TLX has the advantage in the areas of typical lower range of pricing for used cars, resale value and base engine power. The 2021 Cadillac CT5 has the advantage in the areas of fuel efficiency and interior volume. Based on this comparison of the 2021 Acura TLX's and the 2021 Cadillac CT5's specifications and ratings, the 2021 Acura TLX is a better car than the 2021 Cadillac CT5.
Pricing: A used 2021 Acura TLX ranges from $25,999 to $38,048 while a used 2021 Cadillac CT5 is priced between $28,383 to $40,995.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the 2021 Acura TLX loses 47.9 percent of its value and the 2021 Cadillac CT5 loses 54.1 percent of its value. This means the 2021 Acura TLX retains 6.3 percentage points more of its value and has the advantage of higher resale value versus the 2021 Cadillac CT5.
Engine Power and Fuel Efficiency Comparison: For engine performance, the 2021 Acura TLX’s base engine makes 272 horsepower, and the 2021 Cadillac CT5 base engine makes 237 horsepower. The TLX is rated to deliver an average of 25 miles per gallon, with a highway range of 491 miles. The CT5 is rated to deliver an average of 26 miles per gallon, with a highway range of 557 miles. This gives the 2021 Cadillac CT5 the fuel efficiency and maximum range advantage over the 2021 Acura TLX. Both models use premium unleaded.
Passenger Space Comparison: While both models are midsize cars, the 2021 Cadillac CT5 has the advantage of offering more interior volume, reflected in more front head room, rear head room, rear shoulder room and rear leg room. The 2021 Acura TLX has the advantage in the areas of front shoulder room, front leg room and cargo space.
Safety Ratings: When comparing crash test ratings from NHTSA, both the 2021 Acura TLX and the 2021 Cadillac CT5 have the same average safety rating of 5 out of 5 Stars.
New Car Pricing
Asking Price:
-
Starting MSRP:
$37,500
Category Avg Starting MSRP:
(Luxury Midsize Cars)
$67,516
Category Starting MSRP Range:
(Luxury Midsize Cars)
$36,995 - $130,000
New Car Pricing
Asking Price:
-
Starting MSRP:
$36,995
Category Avg Starting MSRP:
(Luxury Midsize Cars)
$67,516
Category Starting MSRP Range:
(Luxury Midsize Cars)
$36,995 - $130,000
Used Car Pricing
Avg Used Car Price:
$31,603
Price Range:
$25,999 - $38,048
Category Avg Price:
(Luxury Midsize Cars)
$53,557
Category Avg Price Range:
(Luxury Midsize Cars)
$31,603 - $104,320
# Used Cars for Sale Nationally:
248
Avg Mileage of Used Cars for Sale:
46,563
# Good or Great Deals:
27
Used Car Pricing
Avg Used Car Price:
$34,214
Price Range:
$28,383 - $40,995
Category Avg Price:
(Luxury Midsize Cars)
$53,557
Category Avg Price Range:
(Luxury Midsize Cars)
$31,603 - $104,320
# Used Cars for Sale Nationally:
111
Avg Mileage of Used Cars for Sale:
38,447
# Good or Great Deals:
25
Acura TLX Scores & Rankings
Overall Score:
8.2 / 10
Reliability:
7.2 / 10
Retained Value:
7.5 / 10
Safety:
10.0 / 10
Cadillac CT5 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
7.1 / 10
Safety:
10.0 / 10
iSeeCars Reliability Insights for 2021 Acura TLX
Remaining Life Expectancy (years):
8
Typical Category Remaining Life Expectancy:
(Luxury Midsize Cars)
8
Category Remaining Life Expectancy Range:
(Luxury Midsize Cars)
5 - 11.6
Chance of Reaching 200k Miles for a New Car:
5.8%
iSeeCars Reliability Insights for 2021 Cadillac CT5
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
(Luxury Midsize Cars)
8
Category Remaining Life Expectancy Range:
(Luxury Midsize Cars)
5 - 11.6
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
3.6
Typical Category Recalls:
(Luxury Midsize Cars)
3.4
Category Range for Recalls:
(Luxury Midsize Cars)
1 - 39.6
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
3.4
Typical Category Recalls:
(Luxury Midsize Cars)
3.4
Category Range for Recalls:
(Luxury Midsize Cars)
1 - 39.6
Acura TLX Rankings
Ranking
3 out of / 20Ranking
5 out of / 29Ranking
9 out of / 29Ranking
10 out of / 29Ranking
15 out of / 29Ranking
16 out of / 29Ranking
20 out of / 29Ranking
20 out of / 29Ranking
27 out of / 29Cadillac CT5 Rankings
Ranking
4 out of / 20Ranking
5 out of / 29Ranking
5 out of / 29Ranking
9 out of / 29Ranking
15 out of / 29Ranking
22 out of / 29Available Body Styles
Sedan
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
2021 Acura TLX Trim Levels
Base, SH-AWD, SH-AWD Type S, SH-AWD Type S w/Perf. Wheel+Tire, SH-AWD w/A-SPEC, SH-AWD w/Advance, SH-AWD w/Tech, w/A-SPEC, w/Advance, w/Tech
2021 Cadillac CT5 Trim Levels
Luxury, Premium Luxury, Sport
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
6 years / 70000 miles
Warranty, Roadside Assistance:
4 years / 50000 miles
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
6 years / 70000 miles
Warranty, Roadside Assistance:
6 years / 70000 miles
Safety Ratings
NHTSA Safety Rating (last 5 year average):
5 out of 5 Stars
2025 NHTSA Overall Rating:
5 out of 5 Stars
2025 NHTSA Front Crash Overall Rating:
5 out of 5 Stars
2025 NHTSA Side Crash Overall Rating:
5 out of 5 Stars
2025 NHTSA Rollover Rating:
5 out of 5 Stars
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
5 out of 5 Stars
2025 NHTSA Overall Rating:
5 out of 5 Stars
2025 NHTSA Front Crash Overall Rating:
5 out of 5 Stars
2025 NHTSA Side Crash Overall Rating:
5 out of 5 Stars
2025 NHTSA Rollover Rating:
5 out of 5 Stars
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
272 hp @ 6500 rpm
Torque:
280 foot-lbs @ 1600 rpm
Power-to-Weight Ratio (higher is better):
0.073 hp per pound
Base Drivetrain Specs
Horsepower:
237 hp @ 5000 rpm
Torque:
258 foot-lbs @ 1500 rpm
Power-to-Weight Ratio (higher is better):
0.065 hp per pound
Engine Specifications
Engine Size:
2 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
FWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
22 / 31 / 25
Range (city/hwy):
349 / 491 miles
Recommended Fuel Type:
Premium Unleaded
Engine Specifications
Engine Size:
2 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
23 / 32 / 26
Range (city/hwy):
400 / 557 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Adaptive Cruise Control:
Standard
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Paddle Shifters:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Cooled/Ventilated Seats:
Available
Heated Steering Wheel:
Available
Navigation System:
Available
Parking Sensors:
Available
Wireless Smartphone Charging:
Available
Air Suspension:
N/A
Automatic Parking:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Internet Radio:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Standard/Optional Features
Adaptive Cruise Control:
Available
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Available
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Paddle Shifters:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Available
Voice Recognition:
Standard
Wifi:
Standard
Cooled/Ventilated Seats:
Available
Heated Steering Wheel:
Available
Navigation System:
Standard
Parking Sensors:
Available
Wireless Smartphone Charging:
Available
Air Suspension:
N/A
Automatic Parking:
Available
Captain's seat:
N/A
Front Bench Seats:
N/A
Internet Radio:
N/A
Massage Seats:
Available
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Safety Features
Backup camera:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
360-Degree Camera:
Available
Blind Spot Monitoring:
Available
Rear Cross-Traffic Alert:
Available
Rear Seat Reminder:
N/A
Safety Features
Backup camera:
Standard
Driver Attention Monitoring:
Available
Forward Collision Warning:
Standard
Lane Departure Warning:
Available
Lane Keeping Assist:
Available
Pedestrian Detection:
Standard
360-Degree Camera:
Available
Blind Spot Monitoring:
Available
Rear Cross-Traffic Alert:
Available
Rear Seat Reminder:
Standard
Interior Dimensions
Front Head Room:
37.2 inches
Front Leg Room:
42.5 inches
Front Shoulder Room:
58.2 inches
Rear Head Room:
36.3 inches
Rear Leg Room:
34.9 inches
Rear Shoulder Room:
55 inches
Cargo Space:
13.5 cubic feet
Overall Interior Volume:
93.4 cubic feet
Interior Dimensions
Front Head Room:
39 inches
Front Leg Room:
42.4 inches
Front Shoulder Room:
56.7 inches
Rear Head Room:
36.6 inches
Rear Leg Room:
37.9 inches
Rear Shoulder Room:
55.7 inches
Cargo Space:
11.9 cubic feet
Overall Interior Volume:
110.9 cubic feet
Exterior Dimensions
Curb Weight:
3709 lbs
Width:
75.2 inches
Height:
56.4 inches
Length:
194.6 inches
Wheelbase:
113 inches
Ground Clearance:
5.3 inches
Exterior Dimensions
Curb Weight:
3659 lbs
Width:
80.3 inches
Height:
57.2 inches
Length:
193.8 inches
Wheelbase:
116 inches
Ground Clearance:
Not yet available
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
235/50R18
Standard Wheel/Tire Information
Wheel Size:
18.0 inches
Wheel Type:
painted aluminum alloy
Tire Size:
245/45R18
Exterior Colors
Black
Majestic Black Pearl
Blue
Fathom Blue Pearl
Gray
Modern Steel Metallic
Red
Performance Red Pearl
Silver
Lunar Silver Metallic
White
Platinum White Pearl
Green
Not available
Exterior Colors
Black
Black Raven
Blue
Dark Moon Blue Metallic / Wave Metallic
Gray
Satin Steel Metallic / Shadow Metallic
Red
Garnet Metallic / Infrared Tintcoat
Silver
Not available
White
Crystal White Tricoat / Summit White
Green
Evergreen Metallic
Interior Colors
Beige
Parchment
Black
Ebony
Interior Colors
Beige
Sahara Beige w/Jet Black Accent
Black
Jet Black